What os mean by periodic classifisatioj

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Posted by Rupesh Kurhade 5 years, 6 months ago

Meghna Thapar 5 years, 6 months ago

In 1913, Henry Moseley proved that the atomic number is the fundamental property rather than its atomic mass.

Modern Periodic Law: Properties of elements are a periodic function of their atomic numbers.

The periodic table, based on the Modern Periodic Law is called the Modern Periodic Table.

The horizontal rows in the Modern Periodic Table are called periods.

The Modern Periodic Table consists of seven periods which are numbered from 1 to 7.

In each period, a new shell starts filling up. The period number is also the number of shell which starts filling up.

The vertical columns are called groups and consist of eighteen groups numbered from 1 to 18.

Elements having the same number of valence electrons are present in the same group.

ANSWER

Test

Related Questions

How do organisms obtain their nutrition?

Posted by Rani Alan 1 year, 4 months ago

CBSE > Class 10 > Science

Posted by Aadarsh Tripathi 1 year, 4 months ago

CBSE > Class 10 > Science

Posted by Ankita Yenteth 1 year, 4 months ago

CBSE > Class 10 > Science

Explain three stages of resource planning

Posted by Harshita Tondey 1 year, 4 months ago

CBSE > Class 10 > Science

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science